the bay area professor is shinya yamanaka, a native of japan. he and a british researcher won for their discovery that mature specialized cells of the body can be reprogrammed to become any kind of cell. well, the nobel committee said the winners have shown that specialized cells can turn back it also said the discoveries will provide new tools for scientists around the world. this morning, a colleague of the bay area winner explained more about the significance. >> it's a major breakthrough because it removes many of the ethical issues that many have had about the use of human embryonic stem cells and it opens a whole new host of things we can do and ways to understand human disease using these stem cells we couldn't dream of before. >> the medicine award was the first no beg prize to be announced this year. >>> coming up there are a lot of new ways to catch a ride these days and two more have run afoul of the law. the latest crackdown on 21st century ride sharing. >> and first it was the slow economy. what could cause even more delays for the